If you planning to travel to Jamestown Windmill, Jamestown, Rhode Island, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 12:10 PM. The temperature feels like 25.75 with a humidity level of 86 so dress accordingly. Cloud coverage is 65 percent with visibility at 12.5 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 7 MPH. At the end of the day don’t miss the sunset at 9:22 PM.